Persistent energetic ^3He in the inner heliosphere

Properties of Suprathermal-through-energetic He Ions Associated with Stream Interaction Regions Observed over the Parker Solar Probe’s First Two Orbits

Desai, M. I.
Mitchell, D. G.
Szalay, J. R.
Roelof, E. C.
Giacalone, J.
Hill, M. E.
McComas, D. J.
Christian, E. R.
Schwadron, N. A.
McNutt, R. L., Jr.
Wiedenbeck, M. E.
Joyce, C.
Cohen, C. M. S.
Ebert, R. W.
Dayeh, M. A.
Allen, R. C.
Davis, A. J.
Krimigis, S. M.
Leske, R. A.
Matthaeus, W. H.
Malandraki, O.
Mewaldt, R. A.
Labrador, A.
Stone, E. C.
Bale, S. D.
Pulupa, M.
MacDowall, R. J.
Kasper, J. C.

February 2020

The Integrated Science Investigation of the Sun (IS⊙IS) suite on board NASA's Parker Solar Probe (PS...

The ^3He-Rich SEP Events of August 2002: Exceptional Elemental and Isotopic Composition Patterns at Energies Above 10 MeV / Nucleon

Wiedenbeck, M. E.
Leske, R. A.
Cohen, C. M. S.
Cummings, A. C.
Mewaldt, R. A.
Stone, E. C.
von Rosenvinge, T. T.

January 2003

Heavy-ion composition observations from the Solar Isotope Spectrometer on ACE are reported for four ...

Anomalous cosmic rays in the heliosheath

Cummings, A. C.
Stone, E. C.
McDonald, F. B.
Heikkila, B. C.
Lal, N.
Webber, W. R.

August 2008

We report on Voyager 1 and 2 observations of anomalous cosmic rays in the outer heliosphere. The ene...

Observations of ^3He-rich Solar Energetic Particle Events with the Solar Isotope Spectrometer

Cohen, C. M. S.
Mewaldt, R. A.
Leske, R. A.
Cummings, A. C.
Stone, E. C.
Slocum, P. L.
Wiedenbeck, M. E.
Christian, E. R.
von Rosenvinge, T. T.

January 2000

Using ~4 MeV /nucleon solar energetic particle data from the Solar Isotope Spectrometer (SIS) on th...

How Common is Energetic ^3He in the Inner Heliosphere?

Wiedenbeck, M. E.
Mason, G. M.
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Dwyer, J. R.
Gold, R. E.
Krimigis, S. M.
Leske, R. A.
Mazur, J. E.
Mewaldt, R. A.
Slocum, P. L.
Stone, E. C.
von Rosenvinge, T. T.

September 2003

Using data from the SIS and ULEIS instruments on the Advanced Composition Explorer (ACE) we have ide...

Long-term fluences of energetic particles in the heliosphere

Mewaldt, R. A.
Mason, G. M.
Gloeckler, George
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Davis, A. J.
Dwyer, J. R.
Gold, R. E.
Krimigis, S. M.
Leske, R. A.
Mazur, J. E.
Stone, E. C.
von Rosenvinge, T. T.
Wiedenbeck, M. E.
Zurbuchen, Thomas H.

November 2001

We report energy spectra of He, O, and Fe nuclei, extending from ∼0.3 keV/nucleon to ∼300 MeV/nucleo...

A Study of ^3He Spectra and Abundances in Impulsive Solar Energetic Particle Events - Results from Measurements with ACE/SEPICA, ACE/SIS and SOHO/HSTOF

Bogdanov, A. T.
Möbius, E.
Klecker, B.
Hilchenback, M.
Hovestadt, D.
Kistler, L. M.
Popecki, M. A.
Lund, E. J.
Heirtzler, D.
Galvin, A. B.
Cohen, C. M. S.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Stone, E. C.
Slocum, P. L.
Wiedenbeck, M. E.
Christian, E. R.
von Rosenvinge, T. T.

January 1999

Energy spectra of the He isotopes and the energy dependence of the ^3He/^4He ratio during a number o...

Parker Solar Probe observations of He/H abundance variations in SEP events inside 0.5 au

Cohen, C. M. S.
Christian, E. R.
Cummings, A. C.
Davis, A. J.
Desai, M. I.
de Nolfo, G. A.
Giacalone, J.
Hill, M. E.
Joyce, C. J.
Labrador, A. W.
Leske, R. A.
Matthaeus, W. H.
McComas, D. J.
McNutt, R. L.
Mewaldt, R. A.
Mitchell, D. G.
Mitchell, J. G.
Rankin, J. S.
Roelof, E. C.
Schwadron, N. A.
Stone, E. C.
Szalay, J. R.
Wiedenbeck, M. E.
Vourlidas, A.
Bale, S. D.
Pulupa, M.
MacDowall, R. J.

June 2021

Aims. The Parker Solar Probe (PSP) orbit provides an opportunity to study the inner heliosphere at d...

Enhanced Abundances of ^3He in Large Solar Energetic Particle Events

Wiedenbeck, M. E.
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Slocum, P. L.
Stone, E. C.
von Rosenvinge, T. T.

September 2000

Observations of a number of relatively large solar energetic particle (SEP) events that have occurre...

Energetic particle composition at 1 au during periods of moderate interplanetary particle fluxes

Slocum, P. L.
Wiedenbeck, M. E.
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Stone, E. C.
von Rosenvinge, T. T.

January 2002

It has recently been proposed that residual energetic ions from preceding impulsive solar energetic ...

Measurements of Heavy Elements in ^3He-rich SEP Events

Slocum, P. L.
Wiedenbeck, M. E.
Cohen, C. M. S.
Christian, E. R.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Stone, E. C.
von Rosenvinge, T. T.

September 2000

Using the Solar Isotope Spectrometer (SIS) on the Advanced Composition Explorer (ACE), we have studi...

The isotopic composition of hydrogen and helium in low-energy cosmic rays

Mewaldt, R. A.
Stone, E. C.
Vogt, R. E.

June 1976

The isotopes ^2H and ^3He have been identified in low-energy cosmic rays during solar-quiet periods ...

Solar cycle variations of the energetic H/He intensity ratio at high heliolatitudes and in the ecliptic plane

Lario, D.
Roelof, E. C.
Decker, R. B.
Ho, G. C.
Maclennan, C. G.
Gosling, J. T.

January 2003

International audienceWe study the variability of the heliospheric energetic proton-to-helium abunda...

Energetic Particle Observations and Propagation in the Three-Dimensional Heliosphere During the 2006 December Events

Malandraki, O. E.
Marsden, R. G.
Lario, D.
Tranquille, C.
Heber, B.
Mewaldt, R. A.
Cohen, C. M. S.
Lanzerotti, L. J.
Forsyth, R. J.
Elliott, H. A.
Vogiatzis, I. I.
Geranios, A.

October 2009

We report observations of solar energetic particles obtained by the HI-SCALE and COSPIN/LET instrume...

Cosmic ray measurements on board Helios 1 from December 1974 to September 1975: Quiet time spectra, radial gradients, and solar events

Kunow, H.
Witte, M.
Wibberenz, G.
Hempe, H.
Mueller-Mellin, R.
Green, G.
lwers, B.
Fuckner, J.

April 1976

The University of Kiel cosmic ray experiment on board Helios 1 measures nucleons above 1. 7 MeV/nucl...

Properties of Suprathermal-through-energetic He Ions Associated with Stream Interaction Regions Observed over the Parker Solar Probe’s First Two Orbits

Desai, M. I.
Mitchell, D. G.
Szalay, J. R.
Roelof, E. C.
Giacalone, J.
Hill, M. E.
McComas, D. J.
Christian, E. R.
Schwadron, N. A.
McNutt, R. L., Jr.
Wiedenbeck, M. E.
Joyce, C.
Cohen, C. M. S.
Ebert, R. W.
Dayeh, M. A.
Allen, R. C.
Davis, A. J.
Krimigis, S. M.
Leske, R. A.
Matthaeus, W. H.
Malandraki, O.
Mewaldt, R. A.
Labrador, A.
Stone, E. C.
Bale, S. D.
Pulupa, M.
MacDowall, R. J.
Kasper, J. C.

February 2020

The Integrated Science Investigation of the Sun (IS⊙IS) suite on board NASA's Parker Solar Probe (PS...

The ^3He-Rich SEP Events of August 2002: Exceptional Elemental and Isotopic Composition Patterns at Energies Above 10 MeV / Nucleon

Wiedenbeck, M. E.
Leske, R. A.
Cohen, C. M. S.
Cummings, A. C.
Mewaldt, R. A.
Stone, E. C.
von Rosenvinge, T. T.

January 2003

Heavy-ion composition observations from the Solar Isotope Spectrometer on ACE are reported for four ...

Anomalous cosmic rays in the heliosheath

Cummings, A. C.
Stone, E. C.
McDonald, F. B.
Heikkila, B. C.
Lal, N.
Webber, W. R.

August 2008

We report on Voyager 1 and 2 observations of anomalous cosmic rays in the outer heliosphere. The ene...

Observations of ^3He-rich Solar Energetic Particle Events with the Solar Isotope Spectrometer

Cohen, C. M. S.
Mewaldt, R. A.
Leske, R. A.
Cummings, A. C.
Stone, E. C.
Slocum, P. L.
Wiedenbeck, M. E.
Christian, E. R.
von Rosenvinge, T. T.

January 2000

Using ~4 MeV /nucleon solar energetic particle data from the Solar Isotope Spectrometer (SIS) on th...

How Common is Energetic ^3He in the Inner Heliosphere?

Wiedenbeck, M. E.
Mason, G. M.
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Dwyer, J. R.
Gold, R. E.
Krimigis, S. M.
Leske, R. A.
Mazur, J. E.
Mewaldt, R. A.
Slocum, P. L.
Stone, E. C.
von Rosenvinge, T. T.

September 2003

Using data from the SIS and ULEIS instruments on the Advanced Composition Explorer (ACE) we have ide...

Long-term fluences of energetic particles in the heliosphere

Mewaldt, R. A.
Mason, G. M.
Gloeckler, George
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Davis, A. J.
Dwyer, J. R.
Gold, R. E.
Krimigis, S. M.
Leske, R. A.
Mazur, J. E.
Stone, E. C.
von Rosenvinge, T. T.
Wiedenbeck, M. E.
Zurbuchen, Thomas H.

November 2001

We report energy spectra of He, O, and Fe nuclei, extending from ∼0.3 keV/nucleon to ∼300 MeV/nucleo...

A Study of ^3He Spectra and Abundances in Impulsive Solar Energetic Particle Events - Results from Measurements with ACE/SEPICA, ACE/SIS and SOHO/HSTOF

Bogdanov, A. T.
Möbius, E.
Klecker, B.
Hilchenback, M.
Hovestadt, D.
Kistler, L. M.
Popecki, M. A.
Lund, E. J.
Heirtzler, D.
Galvin, A. B.
Cohen, C. M. S.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Stone, E. C.
Slocum, P. L.
Wiedenbeck, M. E.
Christian, E. R.
von Rosenvinge, T. T.

January 1999

Energy spectra of the He isotopes and the energy dependence of the ^3He/^4He ratio during a number o...

Parker Solar Probe observations of He/H abundance variations in SEP events inside 0.5 au

Cohen, C. M. S.
Christian, E. R.
Cummings, A. C.
Davis, A. J.
Desai, M. I.
de Nolfo, G. A.
Giacalone, J.
Hill, M. E.
Joyce, C. J.
Labrador, A. W.
Leske, R. A.
Matthaeus, W. H.
McComas, D. J.
McNutt, R. L.
Mewaldt, R. A.
Mitchell, D. G.
Mitchell, J. G.
Rankin, J. S.
Roelof, E. C.
Schwadron, N. A.
Stone, E. C.
Szalay, J. R.
Wiedenbeck, M. E.
Vourlidas, A.
Bale, S. D.
Pulupa, M.
MacDowall, R. J.

June 2021

Aims. The Parker Solar Probe (PSP) orbit provides an opportunity to study the inner heliosphere at d...

Enhanced Abundances of ^3He in Large Solar Energetic Particle Events

Wiedenbeck, M. E.
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Slocum, P. L.
Stone, E. C.
von Rosenvinge, T. T.

September 2000

Observations of a number of relatively large solar energetic particle (SEP) events that have occurre...

Energetic particle composition at 1 au during periods of moderate interplanetary particle fluxes

Slocum, P. L.
Wiedenbeck, M. E.
Christian, E. R.
Cohen, C. M. S.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Stone, E. C.
von Rosenvinge, T. T.

January 2002

It has recently been proposed that residual energetic ions from preceding impulsive solar energetic ...

Measurements of Heavy Elements in ^3He-rich SEP Events

Slocum, P. L.
Wiedenbeck, M. E.
Cohen, C. M. S.
Christian, E. R.
Cummings, A. C.
Leske, R. A.
Mewaldt, R. A.
Stone, E. C.
von Rosenvinge, T. T.

September 2000

Using the Solar Isotope Spectrometer (SIS) on the Advanced Composition Explorer (ACE), we have studi...

The isotopic composition of hydrogen and helium in low-energy cosmic rays

Mewaldt, R. A.
Stone, E. C.
Vogt, R. E.

June 1976

The isotopes ^2H and ^3He have been identified in low-energy cosmic rays during solar-quiet periods ...

Solar cycle variations of the energetic H/He intensity ratio at high heliolatitudes and in the ecliptic plane

Lario, D.
Roelof, E. C.
Decker, R. B.
Ho, G. C.
Maclennan, C. G.
Gosling, J. T.

January 2003

International audienceWe study the variability of the heliospheric energetic proton-to-helium abunda...

Energetic Particle Observations and Propagation in the Three-Dimensional Heliosphere During the 2006 December Events

Malandraki, O. E.
Marsden, R. G.
Lario, D.
Tranquille, C.
Heber, B.
Mewaldt, R. A.
Cohen, C. M. S.
Lanzerotti, L. J.
Forsyth, R. J.
Elliott, H. A.
Vogiatzis, I. I.
Geranios, A.

October 2009

We report observations of solar energetic particles obtained by the HI-SCALE and COSPIN/LET instrume...

Cosmic ray measurements on board Helios 1 from December 1974 to September 1975: Quiet time spectra, radial gradients, and solar events

Kunow, H.
Witte, M.
Wibberenz, G.
Hempe, H.
Mueller-Mellin, R.
Green, G.
lwers, B.
Fuckner, J.

April 1976

The University of Kiel cosmic ray experiment on board Helios 1 measures nucleons above 1. 7 MeV/nucl...

Properties of Suprathermal-through-energetic He Ions Associated with Stream Interaction Regions Observed over the Parker Solar Probe’s First Two Orbits

Desai, M. I.
Mitchell, D. G.
Szalay, J. R.
Roelof, E. C.
Giacalone, J.
Hill, M. E.
McComas, D. J.
Christian, E. R.
Schwadron, N. A.
McNutt, R. L., Jr.
Wiedenbeck, M. E.
Joyce, C.
Cohen, C. M. S.
Ebert, R. W.
Dayeh, M. A.
Allen, R. C.
Davis, A. J.
Krimigis, S. M.
Leske, R. A.
Matthaeus, W. H.
Malandraki, O.
Mewaldt, R. A.
Labrador, A.
Stone, E. C.
Bale, S. D.
Pulupa, M.
MacDowall, R. J.
Kasper, J. C.

February 2020

The Integrated Science Investigation of the Sun (IS⊙IS) suite on board NASA's Parker Solar Probe (PS...

The ^3He-Rich SEP Events of August 2002: Exceptional Elemental and Isotopic Composition Patterns at Energies Above 10 MeV / Nucleon

Wiedenbeck, M. E.
Leske, R. A.
Cohen, C. M. S.
Cummings, A. C.
Mewaldt, R. A.
Stone, E. C.
von Rosenvinge, T. T.

January 2003

Heavy-ion composition observations from the Solar Isotope Spectrometer on ACE are reported for four ...

Anomalous cosmic rays in the heliosheath

Cummings, A. C.
Stone, E. C.
McDonald, F. B.
Heikkila, B. C.
Lal, N.
Webber, W. R.

August 2008

We report on Voyager 1 and 2 observations of anomalous cosmic rays in the outer heliosphere. The ene...

Persistent energetic ^3He in the inner heliosphere

Abstract

Extracted data

Persistent energetic ^3He in the inner heliosphere

Abstract

Extracted data

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